– Because of the focus on the network upfronts this week, yours truly will skip the analysis for Chicago radio’s latest PPM survey. However, this can not be ignored: The ratings surge for WPWX-FM (Power 92), who grew 35 percent from March to April. What was once an insurmountable lead for rival WGCI is now down only to a few tenths of a share point.

– On the surface, WNUA’s numbers really shouldn’t justify a format change. But with a mostly older skewing audience and billing lower than some mid-level performing outlets, the axe is waiting to swing on WNUA.